Home / 13,160.95-18,162.35-7,193

Finding the Fourth Proportional to 13,160.95, 18,162.35 and 7,193

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Solution

The fourth proportional to 13,160.95, 18,162.35 and 7,193 is: 9,926.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.95 : 18,162.35 = 7,193 : x
  2. Step 2: Convert to fraction form
    13,160.95/18,162.35 = 7,193/x
  3. Step 3: Cross multiply
    13,160.95x = 18,162.35 × 7,193
  4. Step 4: Simplify right side
    13,160.95x = 130,641,747.59
  5. Step 5: Solve for x
    x = 130,641,747.59/13,160.95
  6. Step 6: Final answer
    x = 9,926.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.